package helpers;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.jsoup.Jsoup;

public class StringHelper {
	public static String cutString(String description, int count) {
		String[] str = description.split(" ");
		int max = str.length;
		if (max >= count) {
			max = count;
		}
		description = "";
		
		for (int i = 0; i < max; i++) {
			description += str[i] + " ";
		}
		return description;
	}
	
	public static String getAlias(String str) {
		str = StringHelper.replaceVietnamese(str);
		str = StringHelper.replace(str);
		return str;
	}
	
	public static String replace(String str) {
		str = str.replaceAll("[\\W]+", "-");
		str = str.replaceAll("^-", "");
		str = str.replaceAll("-$", "");
		str = str.toLowerCase();
		return str;
	}

	public static String replaceVietnamese(String str) {
		String[] aArray = {"áº¥", "áº§", "áº©", "áº«", "áº­", "áº¤", "áº¦", "áº¨", "áºª", "áº¬", "áº¯", "áº±", "áº³", "áºµ", "áº·",
				"áº®", "áº°", "áº²", "áº´", "áº¶", "Ă¡", "Ă ", "áº£", "Ă£", "áº¡", "Ă¢", "Äƒ",
				"Ă�", "Ă€", "áº¢", "Ăƒ", "áº ", "Ă‚", "Ä‚" };
		String[] eArray = { "áº¿", "á»�", "á»ƒ", "á»…", "á»‡", "áº¾", "á»€", "á»‚", "á»„", "á»†",
				"Ă©", "Ă¨", "áº»", "áº½", "áº¹", "Ăª", "Ă‰", "Ăˆ", "áºº", "áº¼", "áº¸", "Ă�" };
		String[] iArray = { "Ă­", "Ă¬", "á»‰", "Ä©", "á»‹", "Ă�", "ĂŒ", "á»ˆ", "Ä¨", "á»�" };
		String[] oArray = { "á»‘", "á»“", "á»•", "á»—", "á»™", "á»�", "á»’", "á»”", "Ă”", "á»˜",
				"á»›", "á»�", "á»Ÿ", "á»¡", "á»£", "á»�", "á»œ", "á»�", "á» ", "á»¢", "Ă³", "Ă²",
				"á»�", "Ăµ", "á»�", "Ă´", "Æ¡", "Ă“", "Ă’", "á»�", "Ă•", "á»Œ", "Ă”", "Æ " };
		String[] uArray = { "á»©", "á»«", "á»­", "á»¯", "á»±", "á»¨", "á»ª", "á»¬", "á»®", "á»°",
				"Ăº", "Ă¹", "á»§", "Å©", "á»¥", "Æ°", "Ă�", "Ă™", "á»¦", "Å¨", "á»¤", "Æ¯" };
		String[] yArray = { "Ă½", "á»³", "á»·", "á»¹", "á»µ", "Ă�", "á»²", "á»¶", "á»¸", "á»´" };
		String[] dArray = { "Ä‘", "Ä�" };
		for (String item : aArray) {
			str = str.replaceAll(item, "a");
		}
		for (String item : eArray) {
			str = str.replaceAll(item, "e");
		}
		for (String item : iArray) {
			str = str.replaceAll(item, "i");
		}
		for (String item : oArray) {
			str = str.replaceAll(item, "o");
		}
		for (String item : uArray) {
			str = str.replaceAll(item, "u");
		}
		for (String item : yArray) {
			str = str.replaceAll(item, "y");
		}
		for (String item : dArray) {
			str = str.replaceAll(item, "d");
		}
		str = str.replaceAll("[\\W]+", " ");
		str = str.replaceAll("^-", "");
		str = str.replaceAll("-$", "");
		str = str.toLowerCase();
		return str;

	}

	public static String tag(String str) {
		str = str.replaceAll("\\#", "Sharp");
		str = str.replaceAll("\\+", "Plus");
		str = str.replaceAll("[^.\\w]+", "-");
		str = str.replaceAll("^-", "");
		str = str.replaceAll("-$", "");
		str = str.toLowerCase();
		return str;
	}

	public static String remove(String str) {
		str = str.replaceAll("[\'\"]+", "&quot;");
		return str;
	}

	public static boolean StringIsNullOrEmpty(String string) {
		if (string == null || string.equals("")) {
			return true;
		}
		return false;
	}
	
	public static ArrayList<String> findString(String regex, String input) {
		ArrayList<String> result = new ArrayList<String>();
		Pattern p = Pattern.compile(regex);
	    Matcher m = p.matcher(input); // get a matcher object
	     while(m.find()) {
	       result.add(input.substring(m.start(), m.end()));
	    }
		return result;
	}
	
	public static String html2text(String html) {
		return Jsoup.parse(html).text();
	}
	
	public static String text2UTF8(String str) {
		byte[] utf8bytes = str.getBytes();
		return new String(utf8bytes,Charset.forName("UTF-8"));
	}
	
	public static String arrayToString(String[] a, String separator) {
	    if (a == null || separator == null) {
	        return null;
	    }
	    StringBuilder result = new StringBuilder();
	    if (a.length > 0) {
	        result.append(a[0]);
	        for (int i=1; i < a.length; i++) {
	            result.append(separator);
	            result.append(a[i]);
	        }
	    }
	    return result.toString();
   }
	
  public static String arrayListToString(ArrayList<String> a, String separator) {
	  StringBuilder result = new StringBuilder();
	  if (a.size() > 0) {
		  result.append(a.get(0));
		  for (int i = 1; i < a.size(); i++) {
			  result.append(separator);
	          result.append(a.get(i));
		  }
	  }
	  return result.toString();
  }
  
  public static String listToString(List<String> str, String separator) {
	  StringBuilder result = new StringBuilder();
	  if (str.size() > 0) {
		  result.append(str.get(0));
		  for (int i = 1; i < str.size(); i++) {
			  result.append(separator);
	          result.append(str.get(i));
		  }
	  }
	  return result.toString();
  }
}
